Wuhan Linkage Track Equipment Co., Ltd

NZG-31 orbital drilling machine has compact structure and is currently the lightest drilling machine in China. The rail clamping device has self-locking function, accurate positioning and high drilling accuracy. The n-tail hollow drill bit can clamp the n-tail shank special twist drill below 13.5 as needed. It has the function of automatic water supply when drilling. It is an indispensable tool for overhaul, emergency repair and overhaul operations of the Ministry of Public Works.